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Dates and deadlines: Tuesday, September 28 - First five sheets (labeled, unmounted) due at the start of lecture Thursday, October 7 - Exam 1 Know families (lecture and lab), structure and terminology, how to use both Newcomb’s and Magee and Ahles
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Ranunculaceae the Buttercup Family
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Herbs with alternate, palmately veined or divided leaves with
Vegetative Features Herbs with alternate, palmately veined or divided leaves with sheathing leaf bases Sheathing leaf bases in Caltha palustris, marsh marigold Palmately divided leaf of tall buttercup
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Reproductive Features
Flowers radially symmetrical Androecium of many stamens Gynoecium of many simple pistils
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Flower parts commonly inserted on an elongate receptacle
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Gynoecium of many simple pistils
Fruit an achene
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Other fruit types in the Ranunculaceae ...
Fruit a berry (doll’s eyes) Fruit a follicle (monkshood)
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Economic importance: This family is not particularly significant economically, but many are toxic to both humans and livestock Goldenseal is much used in herbal medicine Some are popular ornamentals, e.g., monkshood, clematis, larkspur Columbine is the state flower of Colorado
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Hydrastis canadensis golden seal
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Aconitum napellus monkshood, aconite, or wolfsbane Poisonous! Monkshood has a long history of use as an ornamental, in witchcraft, and in medicinal botany. The active component is the alkaloid aconitine.
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Clematis
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Japanese anemone
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BUTTERCUP Family Ca3-X Co0-A G[1,3,5] (usually)
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